Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

49°F

9°C

Humidity 68%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 20 Apr 05:10 AM PDT
Extended Forecast for

2 Miles SSW Cupertino CA

  • Today

    Today: Rain likely, mainly after 3pm.  Increasing clouds, with a high near 66. South wind 7 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Chance Rain
    then Rain
    Likely

  • Tonight

    Tonight: Rain.  Low around 51. South wind 5 to 8 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Rain

  • Tuesday

    Tuesday: Rain before 8am, then showers and possibly a thunderstorm after 8am.  High near 62. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 11pm, then rain likely after 11pm.  Mostly cloudy, with a low around 47. Southwest wind 5 to 9 mph becoming light  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of rain before 11am.  Mostly sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 65 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Rain likely, mainly after 3pm. Increasing clouds, with a high near 66. South wind 7 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 51. South wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 8am, then showers and possibly a thunderstorm after 8am. High near 62. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 11pm, then rain likely after 11pm. Mostly cloudy, with a low around 47. Southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 67.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Cupertino CA
 37.28°N 122.06°W (Elev. 666 ft)
2:11 am PDT Apr 20, 2026
5am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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